try to offload android to sgcore/sgconnect third-party libraries and drop linux third-party libraries for earlier versions of the engine prior to 4.27

Source/SenseGloveCoreImpl/Public/SGCoreImpl/SGExportedFunctions.h

@@ -46,7 +46,7 @@
    check whether boolean type is supported by the compiler or not. */
 #include <stdbool.h>
 
-#include <CoreTypes.h>
+#include "CoreTypes.h"
 
 /* Check at compile time whether the C compiler has support for bool, true,
    and false macros. */
@@ -64,6 +64,14 @@ static_assert(__bool_true_false_are_defined, "Error: bool, true, and false are n
 extern "C" {
 #endif  /* __cplusplus */
 
+/*******************************************************************************
+ * Exceptional function calls
+ ******************************************************************************/
+
+#if PLATFORM_ANDROID
+SENSEGLOVECOREIMPL_PUBLIC_API int32 SGCoreImpl_Android_Initialize(void* Env);
+#endif  /* PLATFORM_ANDROID */
+
 /*******************************************************************************
  * SGAnatomyImpl.h
  ******************************************************************************/